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CVE-2020-26422

Estado: ModificadaMedia (5.3)—

Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Oracle — ZFS Storage Appliance KITWireshark — Wireshark

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-26422",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.2
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
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  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "The Wireshark Foundation",
          "product": "Wireshark",
          "versions": [
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              "status": "affected",
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  "published": "2020-12-21T18:15:15.477",
  "references": [
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      "tags": [
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      "source": "cve@gitlab.com"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file"
    },
    {
      "lang": "es",
      "value": "Un desbordamiento del búfer en el disector QUIC en Wireshark versiones 3.4.0 hasta 3.4.1, permite una denegación de servicio por medio de una inyección de paquetes o un archivo de captura diseñado"
    }
  ],
  "lastModified": "2026-06-17T03:08:06.560",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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}